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Rewrite time measurement code

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Introduce and use a new Time class designed after
QTime, from Qt framework. Should be a more clear and
self documented code.

As an added benefit we now use 64 bits internally to get
millisecs from system time. This avoids to wrap around
to 0 every 2^32 milliseconds, which is 49.71 days.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-03-03 09:35:56 +01:00
parent b966adf103
commit 161c6b025e
7 changed files with 56 additions and 63 deletions
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9
src/benchmark.cpp
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@@ -61,7 +61,6 @@ void benchmark(int argc, char* argv[]) {
vector<string> fens;
Search::LimitsType limits;
int time;
int64_t nodes = 0;
// Assign default values to missing arguments
@@ -104,7 +103,7 @@ void benchmark(int argc, char* argv[]) {
else
fens.assign(Defaults, Defaults + 16);
time = system_time();
Time time = Time::current_time();
for (size_t i = 0; i < fens.size(); i++)
{
@@ -125,10 +124,10 @@ void benchmark(int argc, char* argv[]) {
}
}
time = system_time() - time;
int e = time.elapsed();
cerr << "\n==========================="
<< "\nTotal time (ms) : " << time
<< "\nTotal time (ms) : " << e
<< "\nNodes searched : " << nodes
<< "\nNodes/second : " << int(nodes / (time / 1000.0)) << endl;
<< "\nNodes/second : " << int(nodes / (e / 1000.0)) << endl;
}